How are homes heated in Union Mill, VA?

Name: Heating fuel in Union Mill, VA, 2020–2024
Creator: US Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Utility gas is the most common heating fuel in Union Mill, used by 47.3% (±6.7 points) of occupied homes (2020–2024 American Community Survey).

36.3% heat with electricity.

8.3% heat with fuel oil or kerosene.

Figures last updated on November 12, 2026.

Utility gas: 47.3% (±6.7 points)
Electricity: 36.3%
Fuel oil, kerosene: 8.3%

Heating fuel in Union Mill

Occupied housing units by house heating fuel, 2020–2024
Fuel used most	Union Mill	Fairfax County	Virginia	United States
Utility gas	47.3% (±6.7 points)	54.4%	32.3%	46.5%
Fuel oil, kerosene, etc.	8.3% (±3.8 points)	1.2%	3.2%	3.9%
Electricity	36.3% (±7.8 points)	42.0%	57.5%	41.3%
Bottled or tank gas (propane)	6.6% (±5.2 points)	1.4%	4.3%	4.9%
Wood	0.0% (±2.8 points)	0.1%	1.6%	1.4%
Solar energy	0.0% (±2.8 points)	0.1%	0.2%	0.3%
Coal or coke	0.0% (±2.8 points)	0.0%	0.0%	0.1%
Other fuel	0.0% (±2.8 points)	0.3%	0.3%	0.5%
No fuel used	1.4% (±2.2 points)	0.5%	0.6%	1.2%

The survey asks which fuel is used most to heat the home, so a home with a heat pump and an oil backup is counted once, under the one it uses most.

In Union Mill, the share of homes heating with fuel oil is higher than in Fairfax County (1.2%).

It is also higher than in Virginia (3.2%).

It is higher than the national figure (3.9%).

In Union Mill, the share of homes heating with electricity is not measurably different from Fairfax County (42.0%).

It is also lower than in Virginia (57.5%).

It is not measurably different from the national figure (41.3%).

Homes heated by electricity in places near Union Mill

Nearest places with a published estimate, compared with Union Mill
Place	Distance	Homes heated by electricity	Compared with this place
Union Mill	—	36.3% (±7.8 points)	—
Clifton	1.5 mi	48.9% (±20.8 points)	Not measurably different
Fairfax Station	2.7 mi	49.0% (±5.5 points)	Higher
Braddock	2.7 mi	34.1% (±8.9 points)	Not measurably different
Yorkshire	3.5 mi	50.9% (±7.6 points)	Higher
Fair Lakes	3.6 mi	39.9% (±5.7 points)	Not measurably different
Manassas Park	3.7 mi	28.8% (±5.8 points)	Not measurably different
Centreville	3.9 mi	35.6% (±2.0 points)	Not measurably different
Fair Oaks	4.7 mi	46.7% (±4.2 points)	Higher

Nearby places with a measurably higher figure: Fairfax Station, VA (49.0%), Yorkshire, VA (50.9%), Fair Oaks, VA (46.7%).

Distance is measured in a straight line between the Census Bureau’s internal points for each place.

Homes heated by fuel oil across Fairfax County, place by place

Rank	Place	Homes heated by fuel oil
1	Clifton	19.1% (±16.1 points)
2	Mason Neck	10.6% (±4.1 points)
3	Union Mill	8.3% (±3.8 points)
4	Woodburn	6.4% (±5.3 points)
5	Difficult Run	6.2% (±2.1 points)
6	Braddock	6.0% (±2.8 points)
7	Mount Vernon	5.9% (±1.7 points)
8	Great Falls	5.5% (±2.5 points)
9	Fairfax Station	4.0% (±1.9 points)

Showing 9 of 69 places in Fairfax County, ranked from highest to lowest.

Union Mill is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

Survey years: 2020–2024 (American Community Survey 5-year estimates).

Margins of error are at the 90% confidence level.

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Questions about Union Mill

What is the most common way to heat a home in Union Mill?

Utility gas is the most common heating fuel in Union Mill, used by 47.3% of occupied homes (2020–2024 American Community Survey).

How many homes in Union Mill heat with oil?

8.3% (±3.8 points) of occupied homes in Union Mill use fuel oil or kerosene as their main heating fuel.

How many homes in Union Mill have electric heat?

36.3% (±7.8 points) of occupied homes in Union Mill heat mainly with electricity, which includes heat pumps.

Sources

Selected Housing Characteristics (DP04), 2020–2024 ACS 5-year estimates — Union Mill CDP, Virginia

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Union Mill CDP, Virginia (place:80029, in state:51).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The API needs a free key.

Request a Census API key.

DP04_0063PE, DP04_0063PM, DP04_0066PE, DP04_0066PM, DP04_0065PE, DP04_0065PM, DP04_0064PE, DP04_0064PM, DP04_0068PE, DP04_0068PM, DP04_0069PE, DP04_0069PM, DP04_0067PE, DP04_0067PM, DP04_0070PE, DP04_0070PM, DP04_0071PE, DP04_0071PM

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.